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Best-Performing Stocks of 2018

In a year of market volatility, these 20 stocks have been the top performers so far.
Oct. 26, 2018
Investing, Investing Strategy
Best-Performing Stocks of 2018
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We adhere to strict standards of editorial integrity. Some of the products we feature are from our partners. Here’s how we make money.

It’s been a volatile year for the stock market, but these top-performing stocks have posted solid growth despite that rockiness. Here are the best-performing stocks for 2018, as of Oct. 22. (Note: cheatgame.info’s recommendation is to build a portfolio of index funds, not individual stocks. For details on how to do that, jump to below this list.)

Best-performing stocks of 2018

1. Tandem Diabetes Care (TNDM)

Dec. 29, 2017, closing price per share: $2.36

Current price per share: $36.51

YTD percent change: 1447.03%

2. NII Holdings Inc. (NIHD)

Dec. 29, 2017, closing price per share: $0.42

Current price per share: $6.02

YTD percent change: 1333.33%

3. Intelsat SA (I)

Dec. 29, 2017, closing price per share: $3.39

Current price per share: $35.02

YTD percent change:  933.04%

4. Proqr Therapeutics (PRQR)

Dec. 29, 2017, closing price per share: $3.22

Current price per share: $19.79

YTD percent change: 514.60%

5. AGM Group Holdings Inc. (AGMH)

April 18, 2018, closing price per share (IPO date): $6.30

Current price per share: $36.00

YTD percent change: 471.43%

6. Endocyte Inc. (ECYT)

Dec. 29, 2017, closing price per share: $4.28

Current price per share: $23.52

YTD percent change: 449.53%

7. Tilray Inc. (TLRY)

July 19, 2018, closing price per share (IPO date): $22.39

Current price per share: $122.60

YTD percent change: 447.57%

8. Amarin Corporation plc (AMRN)

Dec. 29, 2017, closing price per share: $4.01

Current price per share: $19.79

YTD percent change: 393.52%

9. Arrowhead Pharmaceuticals Inc. (ARWR)

Dec. 29, 2017, closing price per share: $3.68

Current price per share: $12.98

YTD percent change: 252.72%

10. CareDx Inc. (CDNA)

Dec. 29, 2017, closing price per share: $7.34

Current price per share: $24.60

YTD percent change: 235.15%

11. Viking Therapeutics Inc. (VKTX)

Dec. 29, 2017, closing price per share: $4.06

Current price per share: $13.54

YTD percent change: 233.50%

12. Medifast Inc. (MED)

Dec. 29, 2017, closing price per share: $69.81

Current price per share: $211.78

YTD percent change: 203.37%

13. Funko Inc. (FNKO)

Dec. 29, 2017, closing price per share: $6.65

Current price per share: $20.08

YTD percent change: 201.95%

14. Twilio Inc. (TWLO)

Dec. 29, 2017, closing price per share: $23.60

Current price per share: $69.23

YTD percent change: 193.35%

15. ShotSpotter Inc. (SSTI)

Dec. 29, 2017, closing price per share: $14.05

Current price per share: $40.63

YTD percent change: 189.18%

16. Tabula Rasa Healthcare Inc. (TRHC)

Dec. 29, 2017, closing price per share: $28.05

Current price per share: $79.97

YTD percent change: 185.10%

17. World Wrestling Entertainment (WWE)

Dec. 29, 2017, closing price per share: $30.58

Current price per share: $83.25

YTD percent change: 172.24%

18. The Trade Desk Inc. (TTD)

Dec. 29, 2017, closing price per share: $45.73

Current price per share: $124.40

YTD percent change: 172.03%

19. STAAR Surgical Co. (STAA)

Dec. 29, 2017, closing price per share: $15.50

Current price per share: $41.73

YTD percent change: 169.23%

20. Nuvectra Corp. (NVTR)

Dec. 29, 2017, closing price per share: $7.76

Current price per share: $20.75

YTD percent change: 167.40%

Current quotes are as of market close on Oct. 22, 2018. Excludes stock currently priced lower than $5 per share and/or with companies with market capitalization of less than $300 million.

Does this mean these are the best stocks to buy right now? No. Not only is predicting future performance of even these current powerhouses a job the pros haven’t yet mastered, but the best stocks for your portfolio aren’t necessarily the best stocks for someone else’s portfolio.

» Learn how to buy stocks

Your goals, risk tolerance, current holdings and budget will vary — and those are just some of the key considerations when purchasing an investment. For more information, learn how to research a stock.

The answer for many: index funds

Picking individual stocks is difficult, which is why many investors turn to index funds, which bundle many stocks together.

Within an index fund, the winners balance out the losers, and you don’t have to forecast which is which.

When individual stocks come together into a diversified portfolio via index funds, they have a lot of power: The S&P 500 index — which includes approximately 500 of the largest companies in the U.S. — has posted an average annual return of nearly 10% since 1928.

An S&P 500 index fund will aim to mirror the performance of the S&P 500 by investing in the companies that make up that index. If you want to cast a wider net, you could purchase a total stock market fund, which will hold thousands of stocks.

Within an index fund, the winners balance out the losers, and you don’t have to forecast which is which. That’s why we think low-cost index funds and exchange-traded funds — a type of index fund that is traded like a stock — should form the basis of a long-term portfolio.

» Looking for affordable diversification? Learn how to invest in index funds

Managing expectations

Index funds won’t beat the market. They aren’t supposed to. An index fund’s goal is to match the returns posted by its benchmark. For an S&P 500 fund, that benchmark is the S&P 500. There are index funds that track a range of underlying assets, from small-cap stocks, to international stocks, bonds and commodities such as gold.

Index funds are inherently diversified, at least among the segment of the market they track. Because of that, all it takes is a few of these funds to build a well-rounded, diversified portfolio. They’re also less risky than attempting to pick a few could-be winners out of a lineup of stocks.

The downside: Some might argue they’re significantly less thrilling than chasing the current hot stocks. If you’re seeking that stock-picking rush, go for a happy middle ground: Dedicate 10% or less of your portfolio to predicting the next big thing, and use index funds for the rest.

» Need a brokerage account? See our picks for the best online brokers

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